.dashboard-container {
  height: 100vh;
  
  .dashboard-content {
    display: flex;
    height: calc(100vh - 64px);
    
    .main-content {
      flex: 1;
      padding: 0;
      background-color: #f5f5f5;
      overflow: hidden;
      
      .canvas-container {
        height: 100%;
        display: flex;
        flex-direction: column;
        
        .canvas-toolbar {
          background: white;
          padding: 12px 16px;
          border-bottom: 1px solid #e8e8e8;
          display: flex;
          align-items: center;
          gap: 16px;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
          
          .selected-tool {
            color: #1890ff;
            font-weight: 500;
            font-size: 14px;
          }
        }
        
        .canvas {
          flex: 1;
          background: white;
          position: relative;
          overflow: hidden;
          cursor: crosshair;
          
          &:hover {
            background: #fafafa;
          }
          
          .canvas-element {
            position: absolute;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid transparent;
            border-radius: 4px;
            cursor: move;
            transition: all 0.2s ease;
            user-select: none;
            
            &:hover {
              border-color: #1890ff;
              background: rgba(24, 144, 255, 0.1);
              transform: scale(1.05);
              box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
            }
            
            &.selected {
              border-color: #1890ff;
              background: rgba(24, 144, 255, 0.15);
              box-shadow: 0 0 10px rgba(24, 144, 255, 0.5);
              
              &::after {
                content: '';
                position: absolute;
                top: -4px;
                right: -4px;
                bottom: -4px;
                left: -4px;
                border: 2px dashed #1890ff;
                border-radius: 6px;
                pointer-events: none;
              }
            }
            
            i {
              font-size: 24px;
              color: #666;
              pointer-events: none;
              transition: color 0.2s ease;
            }
            
            &:hover i,
            &.selected i {
              color: #1890ff;
            }
          }
        }
      }
      
      .graphics-demo {
        background: white;
        padding: 24px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        max-width: 800px;
        
        h2 {
          margin-bottom: 16px;
          color: #333;
          font-size: 24px;
        }
        
        p {
          margin-bottom: 24px;
          color: #666;
          line-height: 1.6;
        }
      }
    }
  }
}
